Beta Williamson County, TX only — data and coverage are limited during early access.

500 GREENWICH PL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,524 sqftBuilt 1981

Property at a Glance

This home is estimated between $286,883 and $357,172, with a best estimate of $338,060. That places the property above the R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER median of $312,111, in a neighborhood that declined 9.7% over the past year.

Estimated Value Range

$286,883 $357,172
Best Estimate
$338,060
WCAD Value
$282,828
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER, this home's estimated market value is between $286,883 and $357,172. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

706 WESTMINSTER PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,324 sqft Built 1982
Raw Value $315,082
Adjusted Value $357,172

Adjusted +$42,018 for 200 sqft more living space and +$72 for being newer. Net adjustment: +$42,090.

605 GREENWICH PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,370 sqft Built 1982
Raw Value $323,082
Adjusted Value $355,508

Adjusted +$32,354 for 154 sqft more living space and +$72 for being newer. Net adjustment: +$32,426.

606 WESTMINSTER PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,407 sqft Built 1983
Raw Value $313,335
Adjusted Value $338,060

Adjusted +$24,581 for 117 sqft more living space and +$144 for being newer. Net adjustment: +$24,725.

701 GREENWICH PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,310 sqft Built 1983
Raw Value $266,838
Adjusted Value $311,941

Adjusted +$44,959 for 214 sqft more living space and +$144 for being newer. Net adjustment: +$45,103.

803 WESTMINSTER PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,469 sqft Built 1979
Raw Value $275,472
Adjusted Value $286,883

Adjusted +$11,555 for 55 sqft more living space and -$144 for being older. Net adjustment: +$11,411.

The Neighborhood

This home is valued 9.4% below the R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER median of $312,111. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.7% over the past year.

R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER

typical
459 Properties
$312,111 Median Value
-9.7% YoY Change
2% Have Pool
94% Have Garage
This Home
$282,828
Median
$312,111

This home is -9.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,089 across all districts. With a homestead exemption claimed, that drops to $3,786 — saving $1,303 per year. That's $316 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,526
Round RockCity0.3720%$1,052
Williamson CountyCounty0.3694%$1,045
Austin Community Collegespecial0.1034%$292
Williamson County FM/RdCounty0.0443%$125
Upper Brushy Creek WCIDWater0.0170%$48
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,089

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $338,060 would pay approximately $2,110 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

View full property details